Make sure deleted folders are strings

Or else, javascript functions may fail since Number.prototype does not
have the same method list as String.prototype.

diff --git a/imp/lib/Ajax/Application.php b/imp/lib/Ajax/Application.php
index 8e25675..71b19d2 100644 (file)
--- a/imp/lib/Ajax/Application.php
+++ b/imp/lib/Ajax/Application.php
@@ -1970,7 +1970,7 @@ class IMP_Ajax_Application extends Horde_Core_Ajax_Application
         }
 
         if (!empty($changes['d'])) {
-            $result['d'] = array_reverse($changes['d']);
+            $result['d'] = array_map('strval', array_reverse($changes['d']));
         }
 
         return $result;